, to chicago, all the way to indianapolis. these are 75-mile-per-hour storms. these are big thunderstorms, carrying lots and lots of rain. this can really be a problem. obviously, on your drive in this morning, but anytime during the day today. the other big weather story today. this is serious heat >>> and we are gearing up for another hot day. the daytime highs will make it into the mid to upper 80's. tonight it will cool down to the upper 60's. still energized from that little discussion, robin. all that weather was brought to you by dairy queen. robin? >> thinking about that. just breathe. thanks, sam. >>> next, a new consumer alert about supplements. could they be harmful to your health? well, max, first day... moh-ohm. -do you have your lunch? -yes. and you know where your classroom is? uh huh. mom, i can walk from here. what about your... mom, i got it. ♪ [ female announcer ] they're never too big for a little something sweet. kellogg's rice krispies treats. long summer days, and not enough sleep. what i wouldn't do for a do-over. [ female announcer ] new neutrogena® clinical sk